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Trading Systems Site Reliability Engineer

Citadel SecuritiesSydney, Sydney🇦🇺AustraliaPosted 17 Oct 2026

Why This Role Stands Out

This hybrid role offers an exciting opportunity to ensure the high availability and scalability of cutting-edge trading platforms at a leading global financial firm, fostering significant technical growth and impact. You'll thrive here if you have strong Linux, networking, and scripting skills, and are passionate about automation and performance optimization within a collaborative environment. Apply to join a dynamic team and contribute to the success of world-class technology.

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Sydney, Sydney, Australia
SQLTCP/IPBashPython

Job Description

Citadel Securities is seeking a Site Reliability Engineer to join our Sydney-based team. The role focuses on keeping our distributed trading platforms highly available, scalable, and secure, with emphasis on incident response and automation.

You will work closely with engineers across teams to optimize performance and reliability. The ideal candidate has strong UNIX/Linux skills, TCP/IP networking understanding, and experience in scripting (Bash/Python) and SQL.

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